The accident shut down westbound Randolph Road in the Silver Spring area for about five hours.

Police say Tsehay Demeke Woldemanuel, 34 of Silver Spring, suffered life- threatening injuries. She was crossing the westbound lanes when she was hit by the bus. But investigators don’t know if she was in the crosswalk at the time.

Police say the bus driver was not injured.

The westbound lanes of Randolph Road between Tivoli Lake Boulevard and Middlevale Lane reopened just after 10 a.m.

Anyone with information about the crash is asked to call police at 240-773-6620 or 301-279-8000.